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United States
Securities and Exchange Commission
Washington, D.C. 20549
Form 10-Q
Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
For the quarterly period ended: September 30, 2023
Or
Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
For the transition period from ________________ to ________________
Commission file number: 001-13221
Cullen/Frost Bankers, Inc.
(Exact name of registrant as specified in its charter)
Texas74-1751768
(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.)
111 W. Houston Street,San Antonio,Texas78205
(Address of principal executive offices)(Zip code)
(210)220-4011
(Registrant's telephone number, including area code)
N/A
(Former name, former address and former fiscal year, if changed since last report
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on
which registered
Common Stock, $.01 Par ValueCFRNew York Stock Exchange
Depositary Shares, each representing a 1/40th interest in a share of 4.450% Non-Cumulative Perpetual Preferred Stock, Series BCFR.PrBNew York Stock Exchange
Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.     Yes      No  
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes      No  
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filer
Accelerated filer
Non-accelerated filer
Smaller reporting company
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.    
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes      No  
As of October 20, 2023, there were 64,047,190 shares of the registrant’s Common Stock, $.01 par value, outstanding.



Cullen/Frost Bankers, Inc.
Quarterly Report on Form 10-Q
September 30, 2023
Table of Contents
 Page
Item 1.
Item 2.
Item 3.
Item 4.
Item 1.
Item 1A.
Item 2.
Unregistered Sales of Equity Securities, Use of Proceeds, and Issuer Purchases of Equity Securities
Item 3.
Item 4.
Item 5.
Item 6.
2

Part I. Financial Information
Item 1. Financial Statements (Unaudited)
Cullen/Frost Bankers, Inc.
Consolidated Balance Sheets
(Dollars in thousands, except per share amounts)
September 30,
2023
December 31,
2022
Assets:
Cash and due from banks$574,654 $691,553 
Interest-bearing deposits6,955,779 11,128,902 
Federal funds sold3,000 120,527 
Resell agreements84,650 87,150 
Total cash and cash equivalents7,618,083 12,028,132 
Securities held to maturity, net of allowance for credit losses of $310 at September 30, 2023 and $158 at December 31, 2022
3,628,123 2,639,083 
Securities available for sale, at estimated fair value16,117,089 18,243,605 
Trading account securities29,341 28,045 
Loans, net of unearned discounts18,399,259 17,154,969 
Less: Allowance for credit losses on loans(242,235)(227,621)
Net loans18,157,024 16,927,348 
Premises and equipment, net1,166,544 1,102,695 
Accrued interest receivable and other assets2,030,818 1,923,468 
Total assets$48,747,022 $52,892,376 
Liabilities:
Deposits:
Non-interest-bearing demand deposits$14,631,456 $17,598,234 
Interest-bearing deposits26,360,779 26,355,962 
Total deposits40,992,235 43,954,196 
Federal funds purchased25,950 51,650 
Repurchase agreements3,722,245 4,660,641 
Junior subordinated deferrable interest debentures, net of unamortized issuance costs123,112 123,069 
Subordinated notes, net of unamortized issuance costs99,452 99,335 
Accrued interest payable and other liabilities784,277 866,257 
Total liabilities45,747,271 49,755,148 
Shareholders’ Equity:
Preferred stock, par value $0.01 per share; 10,000,000 shares authorized; 150,000 Series B shares ($1,000 liquidation preference) issued at September 30, 2023 and December 31, 2022
145,452 145,452 
Common stock, par value $0.01 per share; 210,000,000 shares authorized; 64,404,582 shares issued at September 30, 2023 and 64,354,695 at December 31, 2022
644 643 
Additional paid-in capital1,043,865 1,029,756 
Retained earnings3,626,799 3,309,671 
Accumulated other comprehensive income (loss), net of tax(1,778,827)(1,348,294)
Treasury stock, at cost; 387,679 shares at September 30, 2023
(38,182) 
Total shareholders’ equity2,999,751 3,137,228 
Total liabilities and shareholders’ equity$48,747,022 $52,892,376 
See accompanying Notes to Consolidated Financial Statements.

3

Cullen/Frost Bankers, Inc.
Consolidated Statements of Income
(Dollars in thousands, except per share amounts)
Three Months Ended
September 30,
Nine Months Ended
September 30,
2023202220232022
Interest income:
Loans, including fees$307,035 $205,932 $867,302 $522,588 
Securities:
Taxable103,875 68,311 303,610 167,734 
Tax-exempt56,918 59,450 184,189 173,394 
Interest-bearing deposits91,904 74,257 278,897 106,971 
Federal funds sold183 316 1,246 428 
Resell agreements1,197 64 3,391 78 
Total interest income561,112 408,330 1,638,635 971,193 
Interest expense:
Deposits138,779 42,682 357,034 62,187 
Federal funds purchased288 249 1,283 336 
Repurchase agreements33,195 7,529 99,960 9,837 
Junior subordinated deferrable interest debentures2,260 1,159 6,354 2,515 
Subordinated notes1,164 1,164 3,492 3,492 
Total interest expense175,686 52,783 468,123 78,367 
Net interest income385,426 355,547 1,170,512 892,826 
Credit loss expense11,185  30,190  
Net interest income after credit loss expense374,241 355,547 1,140,322 892,826 
Non-interest income:
Trust and investment management fees37,616 38,552 113,152 114,984 
Service charges on deposit accounts23,603 22,960 68,969 69,570 
Insurance commissions and fees13,636 13,152 45,528 41,536 
Interchange and card transaction fees4,672 4,614 14,811 13,751 
Other charges, commissions, and fees13,128 11,095 36,922 30,609 
Net gain (loss) on securities transactions12  66  
Other13,331 9,448 35,343 28,688 
Total non-interest income105,998 99,821 314,791 299,138 
Non-interest expense:
Salaries and wages137,562 127,189 401,102 355,399 
Employee benefits26,527 21,680 87,241 66,633 
Net occupancy31,581 28,133 93,644 83,923 
Technology, furniture, and equipment35,278 30,781 100,802 89,859 
Deposit insurance6,033 4,279 18,480 11,636 
Other56,275 45,836 162,171 135,527 
Total non-interest expense293,256 257,898 863,440 742,977 
Income before income taxes186,983 197,470 591,673 448,987 
Income taxes31,332 27,710 96,251 61,011 
Net income155,651 169,760 495,422 387,976 
Preferred stock dividends1,668 1,668 5,006 5,006 
Net income available to common shareholders$153,983 $168,092 $490,416 $382,970 
Earnings per common share:
Basic$2.38 $2.60 $7.56 $5.92 
Diluted2.38 2.59 7.54 5.90 
See accompanying Notes to Consolidated Financial Statements.
4

Cullen/Frost Bankers, Inc.
Consolidated Statements of Comprehensive Income (Loss)
(Dollars in thousands)
Three Months Ended
September 30,
Nine Months Ended
September 30,
2023202220232022
Net income$155,651 $169,760 $495,422 $387,976 
Other comprehensive income (loss), before tax:
Securities available for sale and transferred securities:
Change in net unrealized gain/loss during the period(600,441)(829,324)(547,035)(2,376,642)
Change in net unrealized gain on securities transferred to held to maturity(164)(174)(486)(572)
Reclassification adjustment for net (gains) losses included in net income(12) (66) 
Total securities available for sale and transferred securities(600,617)(829,498)(547,587)(2,377,214)
Defined-benefit post-retirement benefit plans:
Reclassification adjustment for net amortization of actuarial gain/loss included in net income as a component of net periodic cost (benefit)869 741 2,609 2,223 
Total defined-benefit post-retirement benefit plans869 741 2,609 2,223 
Other comprehensive income (loss), before tax(599,748)(828,757)(544,978)(2,374,991)
Deferred tax expense (benefit)
(125,948)(174,038)(114,445)(498,748)
Other comprehensive income (loss), net of tax(473,800)(654,719)(430,533)(1,876,243)
Comprehensive income (loss)$(318,149)$(484,959)$64,889 $(1,488,267)
See accompanying Notes to Consolidated Financial Statements.
5

Cullen/Frost Bankers, Inc.
Consolidated Statements of Changes in Shareholders’ Equity
(Dollars in thousands, except per share amounts)
Preferred
Stock
Common
Stock
Additional
Paid-In
Capital
Retained
Earnings
Accumulated
Other
Comprehensive
Income (Loss),
Net of Tax
Treasury
Stock
Total
Three months ended:
September 30, 2023
Balance at beginning of period$145,452 $644 $1,040,754 $3,532,542 $(1,305,027)$(27,623)$3,386,742 
Net income— — — 155,651 — — 155,651 
Other comprehensive income (loss), net of tax— — — — (473,800)— (473,800)
Stock option exercises/stock unit conversions (8,483 shares)
— — — (217)— 813 596 
Stock-based compensation expense recognized in earnings— — 3,111 — — — 3,111 
Purchase of treasury stock (111,956 shares)
— — — — — (11,372)(11,372)
Cash dividends – Series B preferred stock (approximately $11.13 per share which is equivalent to approximately $0.28 per depositary share)
— — — (1,668)— — (1,668)
Cash dividends – common stock ($0.92 per share)
— — — (59,509)— — (59,509)
Balance at end of period$145,452 $644 $1,043,865 $3,626,799 $(1,778,827)$(38,182)$2,999,751 
September 30, 2022
Balance at beginning of period$145,452 $642 $1,015,451 $3,070,109 $(874,206)$(10,473)$3,346,975 
Net income— — — 169,760 — — 169,760 
Other comprehensive income (loss), net of tax— — — — (654,719)— (654,719)
Stock option exercises/stock unit conversions (88,350 shares)
— — — (1,918)— 7,188 5,270 
Stock-based compensation expense recognized in earnings— — 3,173 — — 3,173 
Cash dividends – Series B preferred stock (approximately $11.13 per share which is equivalent to approximately $0.28 per depositary share)
— — — (1,668)— — (1,668)
Cash dividends – common stock ($0.87 per share)
— — — (56,319)— — (56,319)
Balance at end of period$145,452 $642 $1,018,624 $3,179,964 $(1,528,925)$(3,285)$2,812,472 
See accompanying Notes to Consolidated Financial Statements

6

Cullen/Frost Bankers, Inc.
Consolidated Statements of Changes in Shareholders’ Equity
(Dollars in thousands, except per share amounts)
Preferred
Stock
Common
Stock
Additional
Paid-In
Capital
Retained
Earnings
Accumulated
Other
Comprehensive
Income (Loss),
Net of Tax
Treasury
Stock
Total
Nine months ended:
September 30, 2023
Balance at beginning of period$145,452 $643 $1,029,756 $3,309,671 $(1,348,294)$ $3,137,228 
Net income— — — 495,422 — — 495,422 
Other comprehensive income (loss), net of tax— — — — (430,533)— (430,533)
Stock option exercises/stock unit conversions (72,496 shares)
— 1 1,463 (736)— 2,314 3,042 
Stock-based compensation expense recognized in earnings— — 12,646 — — — 12,646 
Purchase of treasury stock (410,288 shares)
— — — — — (40,496)(40,496)
Cash dividends – Series B preferred stock (approximately $33.38 per share which is equivalent to approximately $0.83 per depositary share)
— — — (5,006)— — (5,006)
Cash dividends – common stock ($2.66 per share)
— — — (172,552)— — (172,552)
Balance at end of period$145,452 $644 $1,043,865 $3,626,799 $(1,778,827)$(38,182)$2,999,751 
September 30, 2022
Balance at beginning of period$145,452 $642 $1,009,921 $2,956,966 $347,318 $(20,744)$4,439,555 
Net income— — — 387,976 — — 387,976 
Other comprehensive income (loss), net of tax— — — — (1,876,243)— (1,876,243)
Stock option exercises/stock unit conversions (232,612 shares)
— — — (6,695)— 18,455 11,760 
Stock-based compensation expense recognized in earnings— — 8,703 — — — 8,703 
Purchase of treasury stock (7,459 shares)
— — — — — (996)(996)
Cash dividends – Series B preferred stock (approximately $33.38 per share which is equivalent to approximately $0.83 per depositary share)
— — — (5,006)— — (5,006)
Cash dividends – common stock ($2.37 per share)
— — — (153,277)— — (153,277)
Balance at end of period$145,452 $642 $1,018,624 $3,179,964 $(1,528,925)$(3,285)$2,812,472 
See accompanying Notes to Consolidated Financial Statements

7

Cullen/Frost Bankers, Inc.
Consolidated Statements of Cash Flows
(Dollars in thousands)
Nine Months Ended
September 30,
20232022
Operating Activities:
Net income$495,422 $387,976 
Adjustments to reconcile net income to net cash from operating activities:
Credit loss expense30,190  
Deferred tax expense (benefit)(3,047)(3,378)
Accretion of loan discounts(13,074)(10,572)
Securities premium amortization (discount accretion), net50,614 76,328 
Net (gain) loss on securities transactions(66) 
Depreciation and amortization56,257 53,303 
Net (gain) loss on sale/write-down of assets/foreclosed assets(194)109 
Stock-based compensation12,646 8,703 
Net tax benefit from stock-based compensation583 2,894 
Earnings on life insurance policies(2,164)(1,561)
Net change in:
Trading account securities(1,020)154 
Lease right-of-use assets17,347 18,151 
Accrued interest receivable and other assets55,440 (63,382)
Accrued interest payable and other liabilities(137,088)71,187 
Net cash from operating activities561,846 539,912 
Investing Activities:
Securities held to maturity:
Purchases(1,147,624)(878,434)
Maturities, calls and principal repayments154,465 557,901 
Securities available for sale:
Purchases(13,445,382)(6,702,519)
Sales1,904,067  
Maturities, calls and principal repayments13,073,663 1,140,939 
Proceeds from sale of loans2,215 2,365 
Net change in loans(1,257,033)(617,981)
Benefits received on life insurance policies1,000 1,332 
Proceeds from sales of premises and equipment1,282 47 
Purchases of premises and equipment(118,062)(55,635)
Proceeds from sales of repossessed properties583 2,585 
Net cash from investing activities(830,826)(6,549,400)
Financing Activities:
Net change in deposits(2,961,961)3,864,490 
Net change in short-term borrowings(964,096)(657,785)
Proceeds from stock option exercises3,042 11,760 
Purchase of treasury stock(40,496)(996)
Cash dividends paid on preferred stock(5,006)(5,006)
Cash dividends paid on common stock(172,552)(153,277)
Net cash from financing activities(4,141,069)3,059,186 
Net change in cash and cash equivalents(4,410,049)(2,950,302)
Cash and cash equivalents at beginning of period12,028,132 16,583,000 
Cash and cash equivalents at end of period$7,618,083 $13,632,698 

See accompanying Notes to Consolidated Financial Statements.
8

Notes to Consolidated Financial Statements
(Table amounts in thousands, except for share and per share amounts)
Note 1 - Significant Accounting Policies
Nature of Operations. Cullen/Frost Bankers, Inc. (“Cullen/Frost”) is a financial holding company and a bank holding company headquartered in San Antonio, Texas that provides, through its subsidiaries, a broad array of products and services throughout numerous Texas markets. The terms “Cullen/Frost,” “the Corporation,” “we,” “us” and “our” mean Cullen/Frost Bankers, Inc., and its subsidiaries, when appropriate. In addition to general commercial and consumer banking, other products and services offered include trust and investment management, insurance, brokerage, mutual funds, leasing, treasury management, capital markets advisory and item processing.
Basis of Presentation. The consolidated financial statements in this Quarterly Report on Form 10-Q include the accounts of Cullen/Frost and all other entities in which Cullen/Frost has a controlling financial interest. All significant intercompany balances and transactions have been eliminated in consolidation. The accounting and financial reporting policies we follow conform, in all material respects, to accounting principles generally accepted in the United States and to general practices within the financial services industry.
The consolidated financial statements in this Quarterly Report on Form 10-Q have not been audited by an independent registered public accounting firm, but in the opinion of management, reflect all adjustments necessary for a fair presentation of our financial position and results of operations. All such adjustments were of a normal and recurring nature. The consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States for interim financial information and with the instructions to Form 10-Q adopted by the Securities and Exchange Commission (“SEC”). Accordingly, the financial statements do not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements and should be read in conjunction with our consolidated financial statements, and notes thereto, for the year ended December 31, 2022, included in our Annual Report on Form 10-K filed with the SEC on February 3, 2023 (the “2022 Form 10-K”). Operating results for the interim periods disclosed herein are not necessarily indicative of the results that may be expected for a full year or any future period.
Use of Estimates. The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements. Actual results could differ from those estimates. The allowance for loan losses and the fair values of financial instruments and the status of contingencies are particularly subject to change.
Cash Flow Reporting. Additional cash flow information was as follows:
Nine Months Ended
September 30,
20232022
Cash paid for interest$435,099 $71,848 
Cash paid for income taxes97,000 78,500 
Significant non-cash transactions:
Unsettled securities transactions276 470,813 
Right-of-use lease assets obtained in exchange for lessee operating lease liabilities9,964 23,959 
Accounting Changes, Reclassifications and Restatements. Certain items in prior financial statements have been reclassified to conform to the current presentation.
9

Note 2 - Securities
Securities - Held to Maturity. A summary of the amortized cost, fair value and allowance for credit losses related to securities held to maturity as of September 30, 2023 and December 31, 2022 is presented below.
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Estimated
Fair Value
Allowance
for Credit
Losses
Net
Carrying
Amount
September 30, 2023
Residential mortgage-backed securities
$1,258,155 $ $113,142 $1,145,013 $ $1,258,155 
States and political subdivisions
2,368,778 48 283,585 2,085,241 (310)2,368,468 
Other1,500  63 1,437  1,500 
Total$3,628,433 $48 $396,790 $3,231,691 $(310)$3,628,123 
December 31, 2022
Residential mortgage-backed securities
$526,122 $ $65,322 $460,800 $ $526,122 
States and political subdivisions
2,111,619 13,048 119,033 2,005,634 (158)2,111,461 
Other1,500  69 1,431  1,500 
Total$2,639,241 $13,048 $184,424 $2,467,865 $(158)$2,639,083 
All mortgage-backed securities included in the above table were issued by U.S. government agencies and corporations. The carrying value of held-to-maturity securities pledged to secure public funds, trust deposits, repurchase agreements and for other purposes, as required or permitted by law was $811.4 million and $256.3 million at September 30, 2023 and December 31, 2022, respectively. Accrued interest receivable on held-to-maturity securities totaled $22.9 million and $30.2 million at September 30, 2023 and December 31, 2022, respectively and is included in accrued interest receivable and other assets in the accompanying consolidated balance sheets.
From time to time, we have reclassified certain securities from available for sale to held to maturity. The net unamortized, unrealized gain remaining on transferred securities included in accumulated other comprehensive income in the accompanying balance sheet totaled $1.3 million ($1.0 million, net of tax) at September 30, 2023 and $1.8 million ($1.4 million, net of tax) at December 31, 2022. This amount will be amortized out of accumulated other comprehensive income over the remaining life of the underlying securities as an adjustment of the yield on those securities.
The following table summarizes Moody's and/or Standard & Poor's bond ratings for our portfolio of held-to-maturity securities issued by States and political subdivisions and other securities as of September 30, 2023 and December 31, 2022:
States and Political Subdivisions
Not Guaranteed or Pre-RefundedGuaranteed by the Texas PSFGuaranteed by Third PartyPre-RefundedTotalOther
Securities
September 30, 2023
Aaa/AAA$301,822 $1,542,919 $13,653 $1,091 $1,859,485 $ 
Aa/AA503,190  6,103  509,293  
Not rated     1,500 
Total$805,012 $1,542,919 $19,756 $1,091 $2,368,778 $1,500 
December 31, 2022
Aaa/AAA$273,201 $1,422,442 $ $121,961 $1,817,604 $ 
Aa/AA
294,015    294,015  
Not rated     1,500 
Total$567,216